Aspectos analíticos da resposta do detector de ionização em chama para ésteres de ácidos graxos em biodiesel e alimentos
Jesuí Vergílio Visentainer
Química Nova
Abstract
The analysis of fatty acid (FA) esters by gas chromatography and flame ionization detector (FID) normally uses the normalization method. However, if one FA is wrongly estimated, the results could be greatly affected. In this study, methodologies using internal standards and correction factors for the FID response are described. The results show that by using theoretical correction factors associated to the internal standardization, the quantitative analyses of the FAs are expressed in mass, increasing the accuracy and facilitating the interpretation and comparison of the results for foods and biodiesels.
Extracted Claims
2 claims extracted from this paper into the knowledge graph
quantitative analyses of FAs are expressed in mass
“the quantitative analyses of the FAs are expressed in mass, increasing the accuracy and facilitating the interpretation and comparison of the results for foods and biodiesels.”
gas chromatography uses flame ionization detector (FID)
“The analysis of fatty acid (FA) esters by gas chromatography and flame ionization detector (FID) normally uses the normalization method.”